diff --git a/pst/typesetting/biber.xml b/pst/typesetting/biber.xml
index f6b8312a1b..5ea0449a79 100644
--- a/pst/typesetting/biber.xml
+++ b/pst/typesetting/biber.xml
@@ -160,7 +160,7 @@
 <screen><userinput>sed -i 's/use Encode;/&amp;\nuse File::Slurp;\nuse File::Spec;/' \
   lib/Biber/LaTeX/Recode.pm &amp;&amp;
 perl ./Build.PL &amp;&amp;
-./Build.PL</userinput></screen>
+./Build</userinput></screen>
 
     <para>To test the results, enter: <command>./Build test</command></para>